Trailer hitch tongue coupler



FIG. 1 is a perspective view of the trailer hitch tongue coupler;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof.

The broken line showing of details in FIGS. 1-2 and 5-7 is included for the purpose of showing environmental portions of the trailer hitch tongue coupler and forms no part of the claimed design. 

The ornamental design of a trailer hitch tongue coupler, as shown and described. 